According to Chen Yongjun's resume, this is a cursive couplet. China has a billion bright moons, and Tiejun is a powerful force. 1. The four words "Shen", "Yi", * * * "and" Yue "at the top of the book are all cursive, which should come from the brushwork in the book spectrum and conform to the characteristics of Mr. Chen's cursive lines, ancient methods and classics; 2. The following couplets "Tie", "Jun" and "Xiong" are also cursive from the book spectrum, and the words "Zhi", "Yi" and "Xiong" come from the brushwork of the two kings; 3. Write the word "Man Yin Xia" in cursive, and take the method of two kings; 4. Compared with previous works, the cursive script of Chaoyangge conforms to Yong Jun's basic brushwork, and Yong Jun's teacher is called Chaoyangge; 5. The three-character cursive calligraphy of Chen Yongjun conforms to Yong Jun's consistent cursive writing style, and it is the highlight and point of view in his creation. Summing up five points, we can infer that this cursive couplet is Yong Jun's calligraphy work for reference only. Mr. Yong Jun is famous for his virtue and skill, good calligraphy and enthusiasm for calligraphy public welfare, and has made great contributions to calligraphy education in Guangdong universities. Please forgive my shortcomings.